These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / scripts / dtc / libfdt / fdt_sw.c

diff --git a/kernel/scripts/dtc/libfdt/fdt_sw.c b/kernel/scripts/dtc/libfdt/fdt_sw.c
index 55ebebf..6a80485 100644 (file)
--- a/kernel/scripts/dtc/libfdt/fdt_sw.c
+++ b/kernel/scripts/dtc/libfdt/fdt_sw.c
@@ -107,6 +107,38 @@ int fdt_create(void *buf, int bufsize)
        return 0;
 }
 
+int fdt_resize(void *fdt, void *buf, int bufsize)
+{
+       size_t headsize, tailsize;
+       char *oldtail, *newtail;
+
+       FDT_SW_CHECK_HEADER(fdt);
+
+       headsize = fdt_off_dt_struct(fdt);
+       tailsize = fdt_size_dt_strings(fdt);
+
+       if ((headsize + tailsize) > bufsize)
+               return -FDT_ERR_NOSPACE;
+
+       oldtail = (char *)fdt + fdt_totalsize(fdt) - tailsize;
+       newtail = (char *)buf + bufsize - tailsize;
+
+       /* Two cases to avoid clobbering data if the old and new
+        * buffers partially overlap */
+       if (buf <= fdt) {
+               memmove(buf, fdt, headsize);
+               memmove(newtail, oldtail, tailsize);
+       } else {
+               memmove(newtail, oldtail, tailsize);
+               memmove(buf, fdt, headsize);
+       }
+
+       fdt_set_off_dt_strings(buf, bufsize);
+       fdt_set_totalsize(buf, bufsize);
+
+       return 0;
+}
+
 int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
 {
        struct fdt_reserve_entry *re;
@@ -153,7 +185,7 @@ int fdt_begin_node(void *fdt, const char *name)
 
 int fdt_end_node(void *fdt)
 {
-       uint32_t *en;
+       fdt32_t *en;
 
        FDT_SW_CHECK_HEADER(fdt);
 
@@ -213,7 +245,7 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
 int fdt_finish(void *fdt)
 {
        char *p = (char *)fdt;
-       uint32_t *end;
+       fdt32_t *end;
        int oldstroffset, newstroffset;
        uint32_t tag;
        int offset, nextoffset;